Fixed Rectangular Head T Square Small 209×320 Medium 419×640 Large 670×1024 Download Tiff Original 1570×2400 | (249.1 KB) Description A front and side view of a t square with rectangular head. The t square is used draw straight lines using the blade in mechanical drawing. Keywords Fixed Rectangular Head T Square, Fixed Rectangular Head T-square, Fixed Rectangular Head tsquare, Mechanical Drawing Tools, T-square, T-squares Galleries Mechanical Drawing Tools Source: Grimshaw, Robert Modern Workshop Hints (Philadelphia, PA: Sampson Low Marston & Company LTD, 1902) Courtesy the private collection of Roy Winkelman
